pubquerybean.java

《j2ee经典实例详解》的源代码。原书无附带光盘。介绍的是一个在线银行系统的例子。绝对难得

/*
 * Copyright (c) 2005 Sun Microsystems, Inc.  All rights reserved.  U.S.
 * Government Rights - Commercial software.  Government users are subject
 * to the Sun Microsystems, Inc. standard license agreement and
 * applicable provisions of the FAR and its supplements.  Use is subject
 * to license terms.
 *
 * This distribution may include materials developed by third parties.
 * Sun, Sun Microsystems, the Sun logo, Java and J2EE are trademarks
 * or registered trademarks of Sun Microsystems, Inc. in the U.S. and
 * other countries.
 *
 * Copyright (c) 2005 Sun Microsystems, Inc. Tous droits reserves.
 *
 * Droits du gouvernement americain, utilisateurs gouvernementaux - logiciel
 * commercial. Les utilisateurs gouvernementaux sont soumis au contrat de
 * licence standard de Sun Microsystems, Inc., ainsi qu'aux dispositions
 * en vigueur de la FAR (Federal Acquisition Regulations) et des
 * supplements a celles-ci.  Distribue par des licences qui en
 * restreignent l'utilisation.
 *
 * Cette distribution peut comprendre des composants developpes par des
 * tierces parties. Sun, Sun Microsystems, le logo Sun, Java et J2EE
 * sont des marques de fabrique ou des marques deposees de Sun
 * Microsystems, Inc. aux Etats-Unis et dans d'autres pays.
 */


import java.rmi.RemoteException;
import java.util.*;
import java.util.logging.*;
import java.net.*;
import javax.ejb.*;
import javax.naming.*;
import javax.xml.registry.*;
import javax.xml.registry.infomodel.*;


/**
 * Bean class for PubQuery enterprise bean. Defines findOrganization
 * business method as well as required methods for a stateless
 * session bean.
 */
public class PubQueryBean implements SessionBean {
    static final Logger logger = Logger.getLogger("PubQueryBean");
    SessionContext sc = null;
    Connection connection = null;
    ResourceBundle registryBundle =
        ResourceBundle.getBundle("PubQueryBeanExample");

    public PubQueryBean() {
        logger.info("In PubQueryBean() (constructor)");
    }

    /**
     * Sets the associated session context. The container calls
     * this method after the instance creation.
     */
    public void setSessionContext(SessionContext sc) {
        this.sc = sc;
    }

    /**
     * Instantiates the enterprise bean.  Creates the
     * connection and looks up the topic.
     */
    public void ejbCreate() {
        Context context = null;
        ConnectionFactory factory = null;

        logger.info("In PubQueryBean.ejbCreate()");

        try {
            String queryUrl = registryBundle.getString("query.url");
            String publishUrl = registryBundle.getString("publish.url");
            String httpProxyHost = registryBundle.getString("http.proxyHost");
            String httpProxyPort = registryBundle.getString("http.proxyPort");
            String httpsProxyHost = registryBundle.getString("https.proxyHost");
            String httpsProxyPort = registryBundle.getString("https.proxyPort");

            /*
             * Define connection configuration properties.
             * For simple queries, you need the query URL.
             */
            Properties props = new Properties();
            props.setProperty("javax.xml.registry.queryManagerURL", queryUrl);
            props.setProperty("javax.xml.registry.lifeCycleManagerURL",
                publishUrl);
            props.setProperty("com.sun.xml.registry.http.proxyHost",
                httpProxyHost);
            props.setProperty("com.sun.xml.registry.http.proxyPort",
                httpProxyPort);
            props.setProperty("com.sun.xml.registry.https.proxyHost",
                httpsProxyHost);
            props.setProperty("com.sun.xml.registry.https.proxyPort",
                httpsProxyPort);

            // Create a connection
            context = new InitialContext();
            factory =
                (ConnectionFactory) context.lookup("java:comp/env/eis/JAXR");
            factory.setProperties(props);
            connection = factory.createConnection();
            logger.info("Created connection to registry");
        } catch (Throwable t) {
            // JAXRException or NamingException could be thrown
            logger.severe("PubQueryBean.ejbCreate: Exception: " + t.toString());
        }
    }

    /**
     * Creates an organization and publishes it to a registry.
     */
    public void executePublish() throws EJBException {
        RegistryService rs = null;
        BusinessLifeCycleManager blcm = null;
        BusinessQueryManager bqm = null;

        try {
            logger.info("\nPublishing an organization:");
            rs = connection.getRegistryService();
            blcm = rs.getBusinessLifeCycleManager();
            bqm = rs.getBusinessQueryManager();
            logger.info("Got registry service, query manager, and " +
                "life cycle manager");

            // Get authorization from the registry
            String username = registryBundle.getString("registry.username");
            String password = registryBundle.getString("registry.password");
            PasswordAuthentication passwdAuth =
                new PasswordAuthentication(username, password.toCharArray());

            Set creds = new HashSet();
            creds.add(passwdAuth);
            connection.setCredentials(creds);
            logger.info("Established security credentials");

            // Create organization name and description
            Organization org =
                blcm.createOrganization(registryBundle.getString("org.name"));
            InternationalString s =
                blcm.createInternationalString(registryBundle.getString(
                        "org.description"));
            org.setDescription(s);

            // Create primary contact, set name
            User primaryContact = blcm.createUser();
            PersonName pName =
                blcm.createPersonName(registryBundle.getString("person.name"));
            primaryContact.setPersonName(pName);

            // Set primary contact phone number
            TelephoneNumber tNum = blcm.createTelephoneNumber();
            tNum.setNumber(registryBundle.getString("phone.number"));

            Collection phoneNums = new ArrayList();
            phoneNums.add(tNum);
            primaryContact.setTelephoneNumbers(phoneNums);

            // Set primary contact email address
            EmailAddress emailAddress =
                blcm.createEmailAddress(registryBundle.getString(
                        "email.address"));
            Collection emailAddresses = new ArrayList();
            emailAddresses.add(emailAddress);
            primaryContact.setEmailAddresses(emailAddresses);

            // Set primary contact for organization
            org.setPrimaryContact(primaryContact);

            // Set classification scheme to NAICS
            String schemeName =
                registryBundle.getString("classification.scheme");
            ClassificationScheme cScheme = null;

            // workaround while IBM has two NAICS schemes
            String queryURL = registryBundle.getString("query.url");
            String uuid_naics = "UUID:C0B9FE13-179F-413D-8A5B-5004DB8E5BB2";

            if (queryURL.equals("http://uddi.ibm.com/testregistry/inquiryapi")) {
                cScheme =
                    (ClassificationScheme) bqm.getRegistryObject(uuid_naics,
                        LifeCycleManager.CLASSIFICATION_SCHEME);
            } else {
                cScheme = bqm.findClassificationSchemeByName(null, schemeName);
            }

            // Create and add classification
            Classification classification =
                blcm.createClassification(cScheme,
                    registryBundle.getString("classification.name"),
                    registryBundle.getString("classification.value"));
            Collection classifications = new ArrayList();
            classifications.add(classification);
            org.addClassifications(classifications);

            // Create services and service
            Collection services = new ArrayList();
            Service service =
                blcm.createService(registryBundle.getString("service.name"));
            InternationalString is =
                blcm.createInternationalString(registryBundle.getString(
                        "service.description"));
            service.setDescription(is);

            // Create service bindings
            Collection serviceBindings = new ArrayList();
            ServiceBinding binding = blcm.createServiceBinding();
            is = blcm.createInternationalString(registryBundle.getString(
                        "svcbinding.description"));
            binding.setDescription(is);

            // allow us to publish a fictitious URL without an error
            binding.setValidateURI(false);
            binding.setAccessURI(registryBundle.getString(
                    "svcbinding.accessURI"));
            serviceBindings.add(binding);